\documentclass{article}
\usepackage{amssymb,amsmath,amscd,concmath}
\pagestyle{empty}
\begin{document}
\begin{equation*}you * x = you^69<br>
(you * x)/you = (you^69)/you<br>
x = you^68<br>
you = x^(\frac{1}{68})<br>\end{equation*}
\end{document}
